Non-tree-shaking --precompile.

runtime/bin/main.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include <stdlib.h>
 #include <string.h>
 #include <stdio.h>
 
 #include "include/dart_api.h"
 #include "include/dart_tools_api.h"
@@ skipping 47 matching lines @@
 // Value of the --package-root flag.
 // (This pointer points into an argv buffer and does not need to be
 // free'd.)
 static const char* commandline_package_root = NULL;
 
 
 // Global flag that is used to indicate that we want to compile all the
 // dart functions and not run anything.
 static bool has_compile_all = false;
 
+
+// Global flag that is used to indicate that we want to compile all the
+// dart functions before running main and not compile anything thereafter.
+static bool has_precompile = false;
+
+
 // Global flag that is used to indicate that we want to trace resolution of
 // URIs and the loading of libraries, parts and scripts.
 static bool has_trace_loading = false;
 
 
 static const char* DEFAULT_VM_SERVICE_SERVER_IP = "127.0.0.1";
 static const int DEFAULT_VM_SERVICE_SERVER_PORT = 8181;
 // VM Service options.
 static bool start_vm_service = false;
 static const char* vm_service_server_ip = DEFAULT_VM_SERVICE_SERVER_IP;
@@ skipping 181 matching lines @@
 static bool ProcessCompileAllOption(const char* arg,
                                     CommandLineOptions* vm_options) {
   ASSERT(arg != NULL);
   if (*arg != '\0') {
     return false;
   }
   has_compile_all = true;
   return true;
 }
 
+
+static bool ProcessPrecompileOption(const char* arg,
+                                    CommandLineOptions* vm_options) {
+  ASSERT(arg != NULL);
+  if (*arg != '\0') {
+    return false;
+  }
+  has_precompile = true;
+  vm_options->AddArgument("--precompile");
+  return true;
+}
+
+
 static bool ProcessDebugOption(const char* option_value,
                                CommandLineOptions* vm_options) {
   ASSERT(option_value != NULL);
   if (!ExtractPortAndIP(option_value, &debug_port, &debug_ip,
                         DEFAULT_DEBUG_PORT, DEFAULT_DEBUG_IP)) {
     Log::PrintErr("unrecognized --debug option syntax. "
                   "Use --debug[:<port number>[/<IPv4 address>]]\n");
     return false;
   }
 
@@ skipping 89 matching lines @@
   { "--version", ProcessVersionOption },
   { "--help", ProcessHelpOption },
   { "-h", ProcessHelpOption },
   { "--verbose", ProcessVerboseOption },
   { "-v", ProcessVerboseOption },
   { "--package-root=", ProcessPackageRootOption },
   { "-D", ProcessEnvironmentOption },
   // VM specific options to the standalone dart program.
   { "--break-at=", ProcessBreakpointOption },
   { "--compile_all", ProcessCompileAllOption },
+  { "--precompile", ProcessPrecompileOption },
   { "--debug", ProcessDebugOption },
   { "--snapshot=", ProcessGenScriptSnapshotOption },
   { "--enable-vm-service", ProcessEnableVmServiceOption },
   { "--observe", ProcessObserveOption },
   { "--trace-debug-protocol", ProcessTraceDebugProtocolOption },
   { "--trace-loading", ProcessTraceLoadingOption},
   { NULL, NULL }
 };
 
 
@@ skipping 202 matching lines @@
   // Set up the library tag handler for this isolate.
   Dart_Handle result = Dart_SetLibraryTagHandler(DartUtils::LibraryTagHandler);
   CHECK_RESULT(result);
 
   if (Dart_IsServiceIsolate(isolate)) {
     // If this is the service isolate, load embedder specific bits and return.
     if (!VmService::Setup(vm_service_server_ip, vm_service_server_port)) {
       *error = strdup(VmService::GetErrorMessage());
       return NULL;
     }
-    if (has_compile_all) {
+    if (has_precompile) {
+      result = Dart_Precompile();
+      CHECK_RESULT(result);
+    } else if (has_compile_all) {
       result = Dart_CompileAll();
       CHECK_RESULT(result);
     }
     Dart_ExitScope();
     Dart_ExitIsolate();
     return isolate;
   }
 
   // Load the specified application script into the newly created isolate.
 
@@ skipping 423 matching lines @@
   } else {
     // Lookup the library of the root script.
     Dart_Handle root_lib = Dart_RootLibrary();
     // Import the root library into the builtin library so that we can easily
     // lookup the main entry point exported from the root library.
     Dart_Handle builtin_lib =
         Builtin::LoadAndCheckLibrary(Builtin::kBuiltinLibrary);
     ASSERT(!Dart_IsError(builtin_lib));
     result = Dart_LibraryImportLibrary(builtin_lib, root_lib, Dart_Null());
 
-    if (has_compile_all) {
+    if (has_precompile) {
+      result = Dart_Precompile();
+      DartExitOnError(result);
+    } else if (has_compile_all) {
       result = Dart_CompileAll();
       DartExitOnError(result);
     }
 
     if (Dart_IsNull(root_lib)) {
       ErrorExit(kErrorExitCode,
                 "Unable to find root library for '%s'\n",
                 script_name);
     }
 
@@ skipping 62 matching lines @@
   exit(Process::GlobalExitCode());
 }
 
 }  // namespace bin
 }  // namespace dart
 
 int main(int argc, char** argv) {
   dart::bin::main(argc, argv);
   UNREACHABLE();
 }